What was found
DURING CLIMB OUT, LEFT PACK LIGHT ILLUMINATED, EXTINGUISHED ON MASTER CAUTION RECALL RESET. ACFT GROUNDED. REMOVED AND REPLACED THE LT TCV REF AMM 21-51-10/401. BITE CHECK AND LEAK SATISFACTORY.
- Difficulty date
- April 28, 2019
- Submitted
- April 30, 2019
- Operation
- Air carrier
- Aircraft
- N587AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35684
- Aircraft time
- 44,345 hours, 12,882 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989085
- Part serial
- 1993
- Condition
- Failed
- Location
- Lt A/C Pack
- Part time
- 77,557 hours, 39,139 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.